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 ​ Find the length of side x in simplest radical form with a rational denominator.

 Apr 15, 2021
 #1
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Have you TRIED to answer this Q?  It is very similar to your other three or four postings.....what have YOU tried ?

 Apr 15, 2021
 #2
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I tried but i dont understands

Guest Apr 15, 2021
 #3
avatar+31646 
+1

Here is a start....it is just like the previous one

remember  ( these things you have to memorize)   sin 45 = sqrt (2) / 2

   and do you remember    S-O-H-C-A-H-T-O-A   ????

        sin  = opposite / hypotenuse

 

soooo     sin 45   = sqrt(2)/2    =   opp/hyp    = x / (sqrt (2)    for this diagram

 

                             sqrt (2) / 2  = x / sqrt(2)          now solve for 'x' 

ElectricPavlov  Apr 15, 2021

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